How Much You Need To Expect You'll Pay For A Good hvac system components
WG stands for Water Gauge. WG is part with the measurement unit to the pressure of supporter and pump. IN.WG which means inch h2o gauge is the Imperial device for force. One example is, ducts are Usually designed with 0.one in.wg of pressure loss per 100 ft of duct size.BC stands for Branch Circuit. BC or BC controller is referring for the controll